For each of the 32 National Football League teams, the numbers of points scored and allowed during
Question:
For each of the 32 National Football League teams, the numbers of points scored and allowed during the 2012 season are shown below.
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Assuming these are sample data, answer the following questions. You may use statistical software to assist you.
a. What is the correlation coefficient between these variables? Are you surprised the association is negative? Interpret your results.
b. Find the coefficient of determination. What does it say about the relationship?
c. At the .05 significance level, can you conclude there is a negative association between “points scored” and “points allowed”?
d. At the .05 significance level, can you conclude there is a negative association between “points scored” and “points allowed” for eachconference?
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a The correlation is 03932 If a teamis scoring more points for it is also keeping the ba...View the full answer
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Related Book For 
Statistical Techniques In Business And Economics
ISBN: 356
16th Edition
Authors: Douglas Lind, William Marchal
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